Operation Manual
Table Of Contents
- Copyright
- Warranty
- Declaration of conformity
- Safety instructions
- Disposal of the product
- Hardware Components
- User Interfaces
- User and Administrator Mode
- Documentation
- Phone Installation
- Phone Initialization
- Registration
- Idle Screen
- Phone User Interface
- Web User Interface
- General Configuration Tasks
- Display Configuration Tasks
- Audio Configuration Tasks
- SIP Identity Configuration Tasks
- Function Key Configuration Tasks
- Maintenance Tasks
- Outgoing Calls
- Extension (SIP identity) for Outgoing Calls
- Making Calls
- Auto Completion (Number Guessing)
- Call Completion
- Call Termination
- Redial
- Call Indication
- Accepting Incoming Calls
- Call Waiting
- Denying Incoming Calls
- Denying Incoming Calls Automatically
- DND (Do Not Disturb) Mode
- Call Forwarding
- Audio Operation Modes
- Mute / Unmute
- Multiple Speaker Mode
- Hold and Resume
- Call Transfer
- Conference
- Call Recording
- Logoff All Users (Extensions/SIP Identities)
- Logon New User (Extension/SIP Identity)
- Access
- Access
- Availability
- Access
- Changing the Presence State
- Contact Presence
- Acoustical Indication
- Visual Indication
- Retrieve New Messages
- Busy Lamp Field (BLF) feature
- “Calls” List
- Call Pickup

User Manual - English
12
Phone Initialization
After your phone has been powered up, the system boots up and performs the following steps:
(1) Hardware Self-Test
A phone hardware self-test is run, all LEDs light up.
(2) TFTP Update Screen
The TFTP Update Screen allows you to update the firmware and set the phone back to
factory values.
ip810c ip820c ip830c ip840c
1 Warning: Use this option only when the phone is malfunctioning on reboot. All
settings will be lost and the phone is set back to factory values!
For TFTP update:
Press any key: 3
For TFTP update:
Press any key: 3
For TFTP update:
Press any key: 3
For TFTP update. Press any key:
For further information read the instructions in our administrator manual.
http://www.doro.com/voipsupport/ip8X0c/
(3) Automatic Phone Initialization
The phone continues the initialization process by loading the last saved configuration.
ip810c ip820c ip830c ip840c
System booting.
Please wait…
System is booting up.
Please wait…
System is booting up.
Please wait…
System is booting up. Please wait
(3a) DHCP Request
By default the phone attempts to contact a DHCP
4
Server in your network in order to obtain
its valid network settings, e.g. IP address, netmask, gateway, DNS server, etc. The message
“Sending DHCP request” is displayed briefly and the obtained IP address and the phone’s
MAC address are displayed.
4
DHCP: Dynamic Host Configuration Protocol is a standardized protocol used by network
devices to obtain IP addresses and other parameters from a DHCP server (router etc.)










